England · Local authority

Welwyn Hatfield planning applications

PlanningTrack collects planning applications and decisions from the public planning register of Welwyn Hatfield Borough Council. Search an address, application reference or proposal. Official Welwyn Hatfield website

Collected application statistics

Collected records · All available dates
34,843Searchable applications
313Recorded as pending
87%Approval rate · 29,022 approved or refused records
3,870Refused applications

25,152 approved · 3,870 refused · 1,813 withdrawn. Received dates in our records: 29 Apr 1948 to 14 Oct 2026. Most recent record check: 22 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas9 mapped area records
Article 4 direction areasNo boundary records available in this collection

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Decided - Granted6/2015/1621/HOUSE

    Erection of single storey rear extension

    17 South Drive Cuffley Potters Bar EN6 4HP

    Received 30 Jul 2015
  2. Decided - Granted6/2019/1015/HOUSE

    Erection of a two storey side and rear extension following the demolition of detached garage, and extension of existing dropped kerb

    117 Warren Way Digswell Welwyn AL6 0DL

    Received 26 Apr 2019
  3. Decided - GrantedS6/2014/0116/FP

    Retention of boundary wall and coffin store

    Alfred House 20 The Common Hatfield AL10 0ND

    Received 16 Jan 2014
  4. Decided - Granted6/2015/2220/EM

    Replacement of chimney stacks

    60 Attimore Road, Welwyn Garden City, AL8 6LP

    Received 28 Oct 2015
  5. Decided - Granted6/2021/2332/FULL

    Resubmission of previously approved scheme for the erection of a new 2 bedroom dwelling.

    Land Adjacent to 2 The Cottages Bullstag Green Hatfield AL9 5DF

    Received 6 Aug 2021
  6. Decided - Granted6/2018/3112/LAWP

    Certificate of lawfulness for a ground floor rear extension

    45 Homewood Avenue Cuffley Potters Bar EN6 4QQ

    Received 5 Dec 2018
  7. Decided - GrantedW6/2008/1187/EM

    ERECTION OF SINGLE STOREY REAR EXTENSION AND LOFT CONVERSION INCORPORATING THREE REAR DORMER WINDOWS

    41 SHERRARDSPARK ROAD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7LD

    Received 11 Jul 2008
  8. Decided - Granted6/2022/0258/LAWP

    Installation of new fenestration in the rear elevation

    9 Oaken Grove Welwyn Garden City AL7 4FD

    Received 4 Feb 2022
  9. Decided - Granted6/2015/2175/HOUSE

    Conversion of garage to habitable accommodation including new roof lights and provision of additional parking space.

    23 Lawrence Hall End, Welwyn Garden City, AL7 4FB

    Received 21 Oct 2015
  10. To be Considered DMC-Date to be Agreed6/2026/0522/FULL

    Erection of new dwelling and associated hard and soft landscaping

    Land to the rear of 63 and 65 Pine Grove Brookmans Park AL9 7BL

    Received 23 Mar 2026
  11. Decided - Granted6/2024/2373/COND

    Submission of details pursuant to condition 4 (EVCP) on planning permission 6/2024/1342/RM

    Land to the north east of King George V Playing Fields Northaw Road East Cuffley EN6 4RD

    Received 12 Dec 2024
  12. Decided - Granted6/2026/0667/EM

    Detached, single-storey timber garden office in the rear garden, an EV charging point at the front of property and air source heat pump installation.

    78 Valley Road Welwyn Garden City AL8 7DP

    Received 15 Apr 2026
  13. Decided - Granted6/2020/0402/VAR

    Variation of condition 2 (approved plans) on planning permission 6/2018/0373/FULL (APP/C1950/W/18/3208358)

    32 Upland Drive, Hatfield, AL9 6PT

    Received 13 Feb 2020
  14. Decided - Granted6/2019/2439/HOUSE

    Erection of a single storey side and first floor rear extensions, alterations to openings to facilitate the conversion of garage into habitable space and installation of a first floor side window and installation of a rear rooflight.

    16 Homestead Lane Welwyn Garden City AL7 4LU

    Received 2 Oct 2019
  15. Decided - Granted6/2024/0153/EM

    Installation of hardstanding to front garden following removal of existing hedge

    116 Haldens Welwyn Garden City AL7 1DG

    Received 26 Jan 2024
  16. Decided - Granted6/2021/1331/HOUSE

    Conversion of garage into habitable space.

    31 Peregrine Way Hatfield AL10 9UP

    Received 26 Apr 2021
  17. Decided - Granted6/2020/1684/HOUSE

    Erection of two storey front extension, single storey side extension and three rear dormer windows; increase in ridge height, insertion of rooflights and alterations to openings

    Bell Bar Pet Farm, Bell Lane, Brookmans Park, Hatfield, AL9 7AY

    Received 13 Jul 2020
  18. Decided6/2023/0263/TC

    T1- crown reduce 1 x sycamore tree by 2-3m. Cut back from adjacent building and remove deadwood

    Welwyn Rugby Football Club Hobbs Way Welwyn Garden City AL8 6HX

    Received 3 Feb 2023
  19. Decided - Granted6/2016/0236/EM

    Removal of 2.5m of hedge to front of dwelling to create driveway

    19 Broadwater Crescent, Welwyn Garden City, AL7 3TS

    Received 12 Feb 2016
  20. Decided - Granted6/2019/0897/HOUSE

    Retention of replacement porch, roof alterations, with alterations to part of front roof space and replacement access steps to front of property.

    7 The Drive Welwyn AL6 0TW

    Received 12 Apr 2019
  21. Decided - Refused6/2016/1093/HOUSE

    Erection of single storey rear extension

    38 Bell Lane, Brookmans Park, Hatfield, AL9 7AY

    Received 2 Jun 2016
  22. Decided - GrantedS6/2015/1026/FP

    Erection of a front porch and two storey side extension and ground floor rear extension

    95 Bramble Road Hatfield AL10 9SB

    Received 14 May 2015
  23. Decided - GrantedS6/2013/0806/FP

    Replacement roof cladding and refurbishment wall claddings

    Pexhurst Services Ltd, Unit 1 Travellers Close, Welham Green, HATFIELD, AL9 7JL

    Received 22 Apr 2013
  24. Decided - Refused6/2016/1541/LAWP

    Certificate of lawfulness for a garage conversion, alterations to openings, step structure and landscaping to the front of property

    60 Park Meadow, Hatfield, AL9 5HB

    Received 28 Jul 2016

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

View all applications

Get emailed about new planning applications in Welwyn Hatfield

Area alerts send a daily or weekly email with new applications and decisions near a postcode, filtered by project type. £29 a month, up to 3 areas. Records are limited to the councils we collect.

Set up an area alert

Researching a proposal in Welwyn Hatfield Borough Council

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

What these statistics cover

These figures describe applications collected by PlanningTrack for Welwyn Hatfield Borough Council, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage